The easiest way is with a small hole, and a sheet metal screw... However, over time, I suspect that the soft plastic around the threads might not take the abuse of either a heavy fire extinguisher or repeated use of the Maglite, pulling it out of the clips...

I was planning on taking the panels off and attaching these items with real screws/nuts. It might be overkill, I don't know - but I'd rather do the job once, even if it is a little tougher.

Of course, in some spots it might just be impractical to take off the panels...

Just my thoughts...

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01 SE 6cyl 5spd Solar Yellow